you're punching buttons at remotecodelist.com

Sony RM-V301 & RM-V401 Universal Remotes

Press Set (or S), the component button to be programmed, the desired code, and enter.

More instructions:

At the factory, "cable box" is assigned on the CBL/SAT button, "receiver" on the RCVR button, and "DVD Player" on the DVD button. By completing the following procedure, you can change this setting so that you can set up any component on these buttons.

Press the S (set) button and release it

Press the CBL/SAT, RCVR, or DVD button

Press and release the stop button (it's the button with a white square in the middle)

Press and release on of the following buttons

1 to assign a VCR

3 to assign a digital satellite receiver

4 to assign a receiver

5 to assign a CD player

6 to assign a tape deck

7 to assign an MD deck or DAT deck

8 to assign a TV

9 to assign a cable box

0 to assign a DVD player

Press and release the ENT button

Now program the button as you normally would for you desired component